Pleasehelp he model below represents the quotient of two numbers. The entire rectangle represents one whole. Which expression does this model represent?
A.

B.

C.

D.

Cody worked 42.5 hours per week in july. this is 12.25 hours more per week than he worked in june. how many hours did cody work per week in june?

How do i do this? i don’t understand

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?